initial commit, 4.5 stable

modules/gltf/extensions/gltf_document_extension_texture_webp.cpp

@@ -0,0 +1,109 @@
+/**************************************************************************/
+/*  gltf_document_extension_texture_webp.cpp                              */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "gltf_document_extension_texture_webp.h"
+
+// Import process.
+Error GLTFDocumentExtensionTextureWebP::import_preflight(Ref<GLTFState> p_state, Vector<String> p_extensions) {
+	if (!p_extensions.has("EXT_texture_webp")) {
+		return ERR_SKIP;
+	}
+	return OK;
+}
+
+Vector<String> GLTFDocumentExtensionTextureWebP::get_supported_extensions() {
+	Vector<String> ret;
+	ret.push_back("EXT_texture_webp");
+	return ret;
+}
+
+Error GLTFDocumentExtensionTextureWebP::parse_image_data(Ref<GLTFState> p_state, const PackedByteArray &p_image_data, const String &p_mime_type, Ref<Image> r_image) {
+	if (p_mime_type == "image/webp") {
+		return r_image->load_webp_from_buffer(p_image_data);
+	}
+	return OK;
+}
+
+String GLTFDocumentExtensionTextureWebP::get_image_file_extension() {
+	return ".webp";
+}
+
+Error GLTFDocumentExtensionTextureWebP::parse_texture_json(Ref<GLTFState> p_state, const Dictionary &p_texture_json, Ref<GLTFTexture> r_gltf_texture) {
+	if (!p_texture_json.has("extensions")) {
+		return OK;
+	}
+	const Dictionary &extensions = p_texture_json["extensions"];
+	if (!extensions.has("EXT_texture_webp")) {
+		return OK;
+	}
+	const Dictionary &texture_webp = extensions["EXT_texture_webp"];
+	ERR_FAIL_COND_V(!texture_webp.has("source"), ERR_PARSE_ERROR);
+	r_gltf_texture->set_src_image(texture_webp["source"]);
+	return OK;
+}
+
+Vector<String> GLTFDocumentExtensionTextureWebP::get_saveable_image_formats() {
+	Vector<String> ret;
+	ret.push_back("Lossless WebP");
+	ret.push_back("Lossy WebP");
+	return ret;
+}
+
+PackedByteArray GLTFDocumentExtensionTextureWebP::serialize_image_to_bytes(Ref<GLTFState> p_state, Ref<Image> p_image, Dictionary p_image_dict, const String &p_image_format, float p_lossy_quality) {
+	if (p_image_format == "Lossless WebP") {
+		p_image_dict["mimeType"] = "image/webp";
+		return p_image->save_webp_to_buffer(false);
+	} else if (p_image_format == "Lossy WebP") {
+		p_image_dict["mimeType"] = "image/webp";
+		return p_image->save_webp_to_buffer(true, p_lossy_quality);
+	}
+	ERR_FAIL_V(PackedByteArray());
+}
+
+Error GLTFDocumentExtensionTextureWebP::save_image_at_path(Ref<GLTFState> p_state, Ref<Image> p_image, const String &p_file_path, const String &p_image_format, float p_lossy_quality) {
+	if (p_image_format == "Lossless WebP") {
+		p_image->save_webp(p_file_path, false);
+		return OK;
+	} else if (p_image_format == "Lossy WebP") {
+		p_image->save_webp(p_file_path, true, p_lossy_quality);
+		return OK;
+	}
+	return ERR_INVALID_PARAMETER;
+}
+
+Error GLTFDocumentExtensionTextureWebP::serialize_texture_json(Ref<GLTFState> p_state, Dictionary p_texture_json, Ref<GLTFTexture> p_gltf_texture, const String &p_image_format) {
+	Dictionary ext_texture_webp;
+	ext_texture_webp["source"] = p_gltf_texture->get_src_image();
+	Dictionary texture_extensions;
+	texture_extensions["EXT_texture_webp"] = ext_texture_webp;
+	p_texture_json["extensions"] = texture_extensions;
+	p_state->add_used_extension("EXT_texture_webp", true);
+	return OK;
+}